Alvimopan (brand name: Entereg) is a medication that is used to help improve bowel function after surgery. It works by blocking the effects of opioids on the gut, which can slow down digestion and cause constipation. Here is some information on its uses, brand name, doses, and side effects:
Uses:
- Alvimopan is used to help improve bowel function after surgery, particularly after abdominal surgery.
- It is approved for use in hospitalized patients who are expected to need pain relief with opioids for more than a few days.
Brand name:
- Alvimopan is marketed under the brand name Entereg.
Doses:
- The recommended dose of alvimopan is 12 mg taken orally, 30 minutes to 5 hours before surgery.
- After surgery, alvimopan should be taken once daily for up to 7 days or until discharge from the hospital.
- The dose may be adjusted for patients with kidney problems.
Side effects:
- The most common side effects of alvimopan include nausea, vomiting, and stomach pain.
- Other side effects may include diarrhea, headache, dizziness, and back pain.
- Serious side effects are rare but may include bowel obstruction, ischemic colitis (a condition where the blood supply to the colon is reduced), and allergic reactions.
It’s important to speak with your doctor or healthcare provider about any potential side effects or concerns you may have with taking alvimopan.